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GeForce GTS 450 1GB vs GeForce GTX 965M

Intro

The GeForce GTS 450 1GB comes with a GPU clock speed of 783 MHz, and the 1024 MB of GDDR5 memory is set to run at 902 MHz through a 128-bit bus. It also is made up of 192 Stream Processors, 32 Texture Address Units, and 16 ROPs.

Compare those specifications to the GeForce GTX 965M, which comes with GPU core speed of 944 MHz, and 2048 MB of GDDR5 memory running at 1000 MHz through a 128-bit bus. It also features 1024 SPUs, 64 Texture Address Units, and 32 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M 60 Watts
GeForce GTS 450 1GB 106 Watts
Difference: 46 Watts (77%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 965M should theoretically be just a bit superior to the GeForce GTS 450 1GB in general. (explain)

GeForce GTX 965M 64000 MB/sec
GeForce GTS 450 1GB 57728 MB/sec
Difference: 6272 (11%)

Texel Rate

The GeForce GTX 965M is much (more or less 141%) faster with regards to texture filtering than the GeForce GTS 450 1GB. (explain)

GeForce GTX 965M 60416 Mtexels/sec
GeForce GTS 450 1GB 25056 Mtexels/sec
Difference: 35360 (141%)

Pixel Rate

The GeForce GTX 965M should be a lot (more or less 141%) more effective at anti-aliasing than the GeForce GTS 450 1GB, and also able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 965M 30208 Mpixels/sec
GeForce GTS 450 1GB 12528 Mpixels/sec
Difference: 17680 (141%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTS 450 1GB

Amazon.com

Check prices at:

GeForce GTX 965M

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTS 450 1GB GeForce GTX 965M
Manufacturer nVidia nVidia
Year September 2010 January 5 2015
Code Name GF106 GM204
Memory 1024 MB 2048 MB
Core Speed 783 MHz 944 MHz
Memory Speed 3608 MHz 4000 MHz
Power (Max TDP) 106 watts 60 watts
Bandwidth 57728 MB/sec 64000 MB/sec
Texel Rate 25056 Mtexels/sec 60416 Mtexels/sec
Pixel Rate 12528 Mpixels/sec 30208 Mpixels/sec
Unified Shaders 192 1024
Texture Mapping Units 32 64
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million (Unknown) million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be transported over the external memory interface in one second. It's worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This is calculated by multiplying the total texture units by the core speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTS 450 1GB

Amazon.com

Check prices at:

GeForce GTX 965M

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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